@article {2023A\&A...671A.102E, title = {Euclid preparation. XXVI. The Euclid Morphology Challenge: Towards structural parameters for billions of galaxies}, journal = {\aap}, volume = {671}, year = {2023}, month = {mar}, pages = {A102}, keywords = {Astrophysics - Astrophysics of Galaxies, Astrophysics - Instrumentation and Methods for Astrophysics, cosmology: observations, galaxies: evolution, galaxies: fundamental parameters, methods: data analysis}, doi = {10.1051/0004-6361/202245042}, author = {Euclid Collaboration and Bretonni{\`e}re, H. and Kuchner, U. and Huertas-Company, M. and Merlin, E. and Castellano, M. and Tuccillo, D. and Buitrago, F. and Conselice, C. J. and Boucaud, A. and H{\"a}u{\ss}ler, B. and K{\"u}mmel, M. and Hartley, W. G. and Alvarez Ayllon, A. and Bertin, E. and Ferrari, F. and Ferreira, L. and Gavazzi, R. and Hern{\'a}ndez-Lang, D. and Lucatelli, G. and Robotham, A. S. G. and Schefer, M. and Wang, L. and Cabanac, R. and Dom{\'\i}nguez S{\'a}nchez, H. and Duc, P. -A. and Fotopoulou, S. and Kruk, S. and La Marca, A. and Margalef-Bentabol, B. and Marleau, F. R. and Tortora, C. and Aghanim, N. and Amara, A. and Auricchio, N. and Azzollini, R. and Baldi, M. and Bender, R. and Bodendorf, C. and Branchini, E. and Brescia, M. and Brinchmann, J. and Camera, S. and Capobianco, V. and Carbone, C. and Carretero, J. and Castander, F. J. and Cavuoti, S. and Cimatti, A. and Cledassou, R. and Congedo, G. and Conversi, L. and Copin, Y. and Corcione, L. and Courbin, F. and Cropper, M. and Da Silva, A. and Degaudenzi, H. and Dinis, J. and Dubath, F. and Duncan, C. A. J. and Dupac, X. and Dusini, S. and Farrens, S. and Ferriol, S. and Frailis, M. and Franceschi, E. and Fumana, M. and Galeotta, S. and Garilli, B. and Gillis, B. and Giocoli, C. and Grazian, A. and Grupp, F. and Haugan, S. V. H. and Hoekstra, H. and Holmes, W. and Hormuth, F. and Hornstrup, A. and Hudelot, P. and Jahnke, K. and Kermiche, S. and Kiessling, A. and Kohley, R. and Kunz, M. and Kurki-Suonio, H. and Ligori, S. and Lilje, P. B. and Lloro, I. and Mansutti, O. and Marggraf, O. and Markovic, K. and Marulli, F. and Massey, R. and McCracken, H. J. and Medinaceli, E. and Melchior, M. and Meneghetti, M. and Meylan, G. and Moresco, M. and Moscardini, L. and Munari, E. and Niemi, S. M. and Padilla, C. and Paltani, S. and Pasian, F. and Pedersen, K. and Percival, W. and Pettorino, V. and Polenta, G. and Poncet, M. and Pozzetti, L. and Raison, F. and Rebolo, R. and Renzi, A. and Rhodes, J. and Riccio, G. and Romelli, E. and Rosset, C. and Rossetti, E. and Saglia, R. and Sapone, D. and Sartoris, B. and Schneider, P. and Secroun, A. and Seidel, G. and Sirignano, C. and Sirri, G. and Skottfelt, J. and Starck, J. -L. and Tallada-Cresp{\'\i}, P. and Taylor, A. N. and Tereno, I. and Toledo-Moreo, R. and Tutusaus, I. and Valentijn, E. A. and Valenziano, L. and Vassallo, T. and Wang, Y. and Weller, J. and Zamorani, G. and Zoubian, J. and Andreon, S. and Bardelli, S. and Colodro-Conde, C. and Di Ferdinando, D. and Graci{\'a}-Carpio, J. and Lindholm, V. and Mauri, N. and Mei, S. and Scottez, V. and Zucca, E. and Baccigalupi, C. and Ballardini, M. and Bernardeau, F. and Biviano, A. and Borgani, S. and Borlaff, A. S. and Burigana, C. and Cappi, A. and Carvalho, C. S. and Casas, S. and Castignani, G. and Cooray, A. R. and Coupon, J. and Courtois, H. M. and Davini, S. and De Lucia, G. and Desprez, G. and Escartin, J. A. and Escoffier, S. and Fabricius, M. and Farina, M. and Fontana, A. and Ganga, K. and Garcia-Bellido, J. and George, K. and Gozaliasl, G. and Hildebrandt, H. and Hook, I. and Ilbert, O. and Ili{\'c}, S. and Joachimi, B. and Kansal, V. and Keih{\"a}nen, E. and Kirkpatrick, C. C. and Loureiro, A. and Macias-Perez, J. and Magliocchetti, M. and Maoli, R. and Marcin, S. and Martinelli, M. and Martinet, N. and Maturi, M. and Monaco, P. and Morgante, G. and Nadathur, S. and Nucita, A. A. and Patrizii, L. and Popa, V. and Porciani, C. and Potter, D. and Pourtsidou, A. and P{\"o}ntinen, M. and Reimberg, P. and S{\'a}nchez, A. G. and Sakr, Z. and Schirmer, M. and Sefusatti, E. and Sereno, M. and Stadel, J. and Teyssier, R. and Valiviita, J. and van Mierlo, S. E. and Veropalumbo, A. and Viel, M. and Weaver, J. R. and Scott, D.} }